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Geant4/externals/g4tools/include/toolx/Windows/glarea

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Diff markup

Differences between /externals/g4tools/include/toolx/Windows/glarea (Version 11.3.0) and /externals/g4tools/include/toolx/Windows/glarea (Version 11.2.1)


  1 // Copyright (C) 2010, Guy Barrand. All rights      1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
  2 // See the file tools.license for terms.            2 // See the file tools.license for terms.
  3                                                     3 
  4 #ifndef toolx_Windows_glarea                        4 #ifndef toolx_Windows_glarea
  5 #define toolx_Windows_glarea                        5 #define toolx_Windows_glarea
  6                                                     6 
  7 #include <windows.h>                                7 #include <windows.h>
  8 #include <windowsx.h>                               8 #include <windowsx.h>
  9 #include <wingdi.h>                                 9 #include <wingdi.h>
 10                                                    10 
 11 #include <tools/sg/device_interactor>              11 #include <tools/sg/device_interactor>
 12 #include <tools/sg/keys>                           12 #include <tools/sg/keys>
 13 //#include <tools/log_file>                        13 //#include <tools/log_file>
 14                                                    14 
 15 #include <string>                                  15 #include <string>
 16                                                    16 
 17 #if defined(_MSC_VER) && _MSC_VER < 1900           17 #if defined(_MSC_VER) && _MSC_VER < 1900
 18 #elif defined(__MINGW32__)                         18 #elif defined(__MINGW32__)
 19 #else                                              19 #else
 20 #define TOOLX_WINDOWS_TOUCH                        20 #define TOOLX_WINDOWS_TOUCH
 21 #endif                                             21 #endif
 22                                                    22 
 23 namespace toolx {                                  23 namespace toolx {
 24 namespace Windows {                                24 namespace Windows {
 25                                                    25 
 26 #ifdef TOOLX_WINDOWS_TOUCH                         26 #ifdef TOOLX_WINDOWS_TOUCH
 27 inline bool is_message_touch_event() {             27 inline bool is_message_touch_event() {
 28   // from https://stackoverflow.com/questions/     28   // from https://stackoverflow.com/questions/29857587/detect-if-wm-mousemove-is-caused-by-touch-pen.
 29   static const LONG_PTR c_SIGNATURE_MASK = 0xF     29   static const LONG_PTR c_SIGNATURE_MASK = 0xFFFFFF00;
 30   static const LONG_PTR c_MOUSEEVENTF_FROMTOUC     30   static const LONG_PTR c_MOUSEEVENTF_FROMTOUCH = 0xFF515700;
 31   LONG_PTR extraInfo = ::GetMessageExtraInfo()     31   LONG_PTR extraInfo = ::GetMessageExtraInfo();
 32   return ( ( extraInfo & c_SIGNATURE_MASK ) ==     32   return ( ( extraInfo & c_SIGNATURE_MASK ) == c_MOUSEEVENTF_FROMTOUCH );
 33 }                                                  33 }
 34 #endif                                             34 #endif
 35                                                    35 
 36 class glarea {                                     36 class glarea {
 37   static const std::string& s_class() {            37   static const std::string& s_class() {
 38     static const std::string s_v("toolx::Windo     38     static const std::string s_v("toolx::Windows::glarea");
 39     return s_v;                                    39     return s_v;
 40   }                                                40   }
 41   static void register_class(){                    41   static void register_class(){
 42     static bool s_done = false; //not const, t     42     static bool s_done = false; //not const, then not thread safe.
 43     if(!s_done) {                                  43     if(!s_done) {
 44       WNDCLASS         wc;                         44       WNDCLASS         wc;
 45       wc.style         = CS_HREDRAW | CS_VREDR     45       wc.style         = CS_HREDRAW | CS_VREDRAW;
 46       wc.lpfnWndProc   = (WNDPROC)proc;            46       wc.lpfnWndProc   = (WNDPROC)proc;
 47       wc.cbClsExtra    = 0;                        47       wc.cbClsExtra    = 0;
 48       wc.cbWndExtra    = 0;                        48       wc.cbWndExtra    = 0;
 49       wc.hInstance     = ::GetModuleHandle(NUL     49       wc.hInstance     = ::GetModuleHandle(NULL);
 50       wc.hIcon         = LoadIcon(NULL,IDI_APP     50       wc.hIcon         = LoadIcon(NULL,IDI_APPLICATION);
 51       wc.hCursor       = LoadCursor(NULL,IDC_A     51       wc.hCursor       = LoadCursor(NULL,IDC_ARROW);
 52       wc.hbrBackground = GetSysColorBrush(COLO     52       wc.hbrBackground = GetSysColorBrush(COLOR_BTNFACE);
 53       wc.lpszMenuName  = s_class().c_str();        53       wc.lpszMenuName  = s_class().c_str();
 54       wc.lpszClassName = s_class().c_str();        54       wc.lpszClassName = s_class().c_str();
 55       ::RegisterClass(&wc);                        55       ::RegisterClass(&wc);
 56       s_done = true;                               56       s_done = true;
 57     }                                              57     }
 58   }                                                58   }
 59 public:                                            59 public:
 60   virtual void resize(unsigned int,unsigned in     60   virtual void resize(unsigned int,unsigned int){}
 61   virtual void paint(unsigned int,unsigned int     61   virtual void paint(unsigned int,unsigned int) {}
 62   virtual void close(){}                           62   virtual void close(){}
 63                                                    63   
 64   virtual void left_button_up(unsigned int,uns     64   virtual void left_button_up(unsigned int,unsigned int) {}
 65   virtual void left_button_down(unsigned int,u     65   virtual void left_button_down(unsigned int,unsigned int) {}
 66   virtual void mouse_move(unsigned int,unsigne     66   virtual void mouse_move(unsigned int,unsigned int,bool) {}
 67 public:                                            67 public:
 68   glarea(HWND a_parent)                            68   glarea(HWND a_parent)
 69   :m_parent(a_parent)                              69   :m_parent(a_parent)
 70   ,m_hwnd(0)                                       70   ,m_hwnd(0)
 71   ,m_context(0)                                    71   ,m_context(0)
 72   ,m_HDC(0)                                        72   ,m_HDC(0)
 73   ,m_touch_available(false)                        73   ,m_touch_available(false)
 74   ,m_interactor(0)                                 74   ,m_interactor(0)
 75   {                                                75   {
 76     register_class();                              76     register_class();
 77     // The WS_BORDER is needed. Else probleme      77     // The WS_BORDER is needed. Else probleme of size at startup.
 78     RECT rect;                                     78     RECT rect;
 79     ::GetClientRect(m_parent,&rect);               79     ::GetClientRect(m_parent,&rect);
 80     //printf("debug : glarea : ca : %d %d\n",r     80     //printf("debug : glarea : ca : %d %d\n",rect.right-rect.left,rect.bottom-rect.top);
 81     //toolx::log_file::get().writef("debug : g     81     //toolx::log_file::get().writef("debug : glarea : ca : %d %d\n",rect.right-rect.left,rect.bottom-rect.top);
 82     m_hwnd = ::CreateWindow(s_class().c_str(),     82     m_hwnd = ::CreateWindow(s_class().c_str(),
 83                              NULL,                 83                              NULL,
 84                              WS_CHILD | WS_VIS     84                              WS_CHILD | WS_VISIBLE,
 85                              0,0,                  85                              0,0,
 86                              rect.right-rect.l     86                              rect.right-rect.left,
 87                              rect.bottom-rect.     87                              rect.bottom-rect.top,
 88                              m_parent,NULL,        88                              m_parent,NULL,
 89                              GetWindowInstance     89                              GetWindowInstance(m_parent),
 90                              NULL);                90                              NULL);
 91     if(!m_hwnd) return;                            91     if(!m_hwnd) return;
 92     ::SetWindowLongPtr(m_hwnd,GWLP_USERDATA,LO     92     ::SetWindowLongPtr(m_hwnd,GWLP_USERDATA,LONG_PTR(this));
 93                                                    93 
 94     // initialize OpenGL rendering :               94     // initialize OpenGL rendering :
 95     m_HDC = ::GetDC(m_hwnd);                       95     m_HDC = ::GetDC(m_hwnd);
 96     if(m_HDC && SetWindowPixelFormat(m_HDC) )      96     if(m_HDC && SetWindowPixelFormat(m_HDC) ) {
 97       m_context = ::wglCreateContext(m_HDC);       97       m_context = ::wglCreateContext(m_HDC);
 98     }                                              98     }
 99                                                    99 
100 #ifdef TOOLX_WINDOWS_TOUCH                        100 #ifdef TOOLX_WINDOWS_TOUCH
101    {BYTE digitizer_status = (BYTE)::GetSystemM    101    {BYTE digitizer_status = (BYTE)::GetSystemMetrics(SM_DIGITIZER);
102     if((digitizer_status & (0x80 + 0x40)) == 0    102     if((digitizer_status & (0x80 + 0x40)) == 0) {
103       m_touch_available = false;                  103       m_touch_available = false;
104     } else {                                      104     } else {
105       //BYTE nInputs = (BYTE)::GetSystemMetric    105       //BYTE nInputs = (BYTE)::GetSystemMetrics(SM_MAXIMUMTOUCHES);
106       m_touch_available = true;                   106       m_touch_available = true;
107       if(!::RegisterTouchWindow(m_hwnd,0)) m_t    107       if(!::RegisterTouchWindow(m_hwnd,0)) m_touch_available = false;
108     }}                                            108     }}
109 #endif                                            109 #endif
110                                                   110 
111   }                                               111   }
112   virtual ~glarea(){                              112   virtual ~glarea(){
113     if(::wglGetCurrentContext()!=NULL) ::wglMa    113     if(::wglGetCurrentContext()!=NULL) ::wglMakeCurrent(NULL,NULL);
114     if(m_context)        {                        114     if(m_context)        {
115       ::wglDeleteContext(m_context);              115       ::wglDeleteContext(m_context);
116       m_context = 0;                              116       m_context = 0;
117     }                                             117     }
118     if(m_HDC && m_hwnd) ::ReleaseDC(m_hwnd,m_H    118     if(m_HDC && m_hwnd) ::ReleaseDC(m_hwnd,m_HDC);
119     if(m_hwnd) {                                  119     if(m_hwnd) {
120       ::SetWindowLongPtr(m_hwnd,GWLP_USERDATA,    120       ::SetWindowLongPtr(m_hwnd,GWLP_USERDATA,LONG_PTR(NULL));
121       ::DestroyWindow(m_hwnd);                    121       ::DestroyWindow(m_hwnd);
122       m_hwnd = 0;                                 122       m_hwnd = 0;
123     }                                             123     }
124   }                                               124   }
125 protected:                                        125 protected:
126   glarea(const glarea& a_from)                    126   glarea(const glarea& a_from)
127   :m_parent(a_from.m_parent)                      127   :m_parent(a_from.m_parent)
128   ,m_hwnd(0)                                      128   ,m_hwnd(0)
129   ,m_context(0)                                   129   ,m_context(0)
130   ,m_HDC(0)                                       130   ,m_HDC(0)
131   ,m_touch_available(a_from.m_touch_available)    131   ,m_touch_available(a_from.m_touch_available)
132   ,m_interactor(0)                                132   ,m_interactor(0)
133   {                                               133   {
134     if(!m_parent) return;                         134     if(!m_parent) return;
135     register_class();                             135     register_class();
136     RECT rect;                                    136     RECT rect;
137     ::GetClientRect(m_parent,&rect);              137     ::GetClientRect(m_parent,&rect);
138     m_hwnd = ::CreateWindow(s_class().c_str(),    138     m_hwnd = ::CreateWindow(s_class().c_str(),
139                              NULL,                139                              NULL,
140                              WS_CHILD | WS_VIS    140                              WS_CHILD | WS_VISIBLE,
141                              0,0,                 141                              0,0,
142                              rect.right-rect.l    142                              rect.right-rect.left,
143                              rect.bottom-rect.    143                              rect.bottom-rect.top,
144                              m_parent,NULL,       144                              m_parent,NULL,
145                              GetWindowInstance    145                              GetWindowInstance(m_parent),
146                              NULL);               146                              NULL);
147     if(!m_hwnd) return;                           147     if(!m_hwnd) return;
148     ::SetWindowLongPtr(m_hwnd,GWLP_USERDATA,LO    148     ::SetWindowLongPtr(m_hwnd,GWLP_USERDATA,LONG_PTR(this));
149                                                   149 
150     // initialize OpenGL rendering :              150     // initialize OpenGL rendering :
151     m_HDC = ::GetDC(m_hwnd);                      151     m_HDC = ::GetDC(m_hwnd);
152     if(m_HDC && SetWindowPixelFormat(m_HDC) )     152     if(m_HDC && SetWindowPixelFormat(m_HDC) ) {
153       m_context = ::wglCreateContext(m_HDC);      153       m_context = ::wglCreateContext(m_HDC);
154     }                                             154     }
155                                                   155 
156 #ifdef TOOLX_WINDOWS_TOUCH                        156 #ifdef TOOLX_WINDOWS_TOUCH
157     if(a_from.m_touch_available) {                157     if(a_from.m_touch_available) {
158       if(!::RegisterTouchWindow(m_hwnd,0)) m_t    158       if(!::RegisterTouchWindow(m_hwnd,0)) m_touch_available = false;
159     }                                             159     }
160 #endif                                            160 #endif
161   }                                               161   }
162 protected:                                        162 protected:
163   glarea& operator=(const glarea&){return *thi    163   glarea& operator=(const glarea&){return *this;}
164 public:                                           164 public:
165   void set_client_area_size(unsigned int a_w,u    165   void set_client_area_size(unsigned int a_w,unsigned int a_h) {
166     RECT rect;                                    166     RECT rect;
167     ::GetClientRect(m_hwnd,&rect);                167     ::GetClientRect(m_hwnd,&rect);
168     ::MoveWindow(m_hwnd,rect.left,rect.top,a_w    168     ::MoveWindow(m_hwnd,rect.left,rect.top,a_w,a_h,TRUE);
169   }                                               169   }
170   HWND hwnd() const {return m_hwnd;}              170   HWND hwnd() const {return m_hwnd;}
171   void post_WM_PAINT() const {                    171   void post_WM_PAINT() const {
172     ::PostMessage(m_hwnd,WM_PAINT,(WPARAM)0,(L    172     ::PostMessage(m_hwnd,WM_PAINT,(WPARAM)0,(LPARAM)0);
173   }                                               173   }
174   void send_WM_PAINT() const {                    174   void send_WM_PAINT() const {
175     ::SendMessage(m_hwnd,WM_PAINT,(WPARAM)0,(L    175     ::SendMessage(m_hwnd,WM_PAINT,(WPARAM)0,(LPARAM)0);
176   }                                               176   }
177   void wm_paint() {                               177   void wm_paint() {
178     PAINTSTRUCT ps;                               178     PAINTSTRUCT ps;
179     //HDC hDC =                                   179     //HDC hDC =
180     BeginPaint(m_hwnd,&ps);                       180     BeginPaint(m_hwnd,&ps);
181     if(m_HDC && m_context) {                      181     if(m_HDC && m_context) {
182       ::wglMakeCurrent(m_HDC,m_context);          182       ::wglMakeCurrent(m_HDC,m_context);
183                                                   183 
184       RECT rect;                                  184       RECT rect;
185       ::GetClientRect(m_hwnd,&rect);              185       ::GetClientRect(m_hwnd,&rect);
186       unsigned int w = rect.right-rect.left;      186       unsigned int w = rect.right-rect.left;
187       unsigned int h = rect.bottom-rect.top;      187       unsigned int h = rect.bottom-rect.top;
188                                                   188 
189       //printf("debug : glarea : paint : %d %d    189       //printf("debug : glarea : paint : %d %d\n",w,h);
190       //toolx::log_file::get().writef("debug :    190       //toolx::log_file::get().writef("debug : glarea : paint : %d %d\n",w,h);
191                                                   191 
192       paint(w,h);                                 192       paint(w,h);
193                                                   193 
194       ::SwapBuffers(m_HDC);                       194       ::SwapBuffers(m_HDC);
195       ::wglMakeCurrent(m_HDC,0);                  195       ::wglMakeCurrent(m_HDC,0);
196     }                                             196     }
197     EndPaint(m_hwnd,&ps);                         197     EndPaint(m_hwnd,&ps);
198   }                                               198   }
199 public:                                           199 public:
200   void set_device_interactor(tools::sg::device    200   void set_device_interactor(tools::sg::device_interactor* a_interactor) {m_interactor = a_interactor;} //we do not have ownership.
201 protected:                                        201 protected:
202   bool is_touch_event() {                         202   bool is_touch_event() {
203 #ifdef TOOLX_WINDOWS_TOUCH                        203 #ifdef TOOLX_WINDOWS_TOUCH
204     if(!m_touch_available) return false;          204     if(!m_touch_available) return false;
205     return is_message_touch_event();              205     return is_message_touch_event();
206 #else                                             206 #else
207     return false;                                 207     return false;
208 #endif                                            208 #endif
209   }                                               209   }
210 protected:                                        210 protected:
211   static LRESULT CALLBACK proc(HWND a_hwnd,UIN    211   static LRESULT CALLBACK proc(HWND a_hwnd,UINT a_msg,WPARAM a_wparam,LPARAM a_lparam) {
212     switch (a_msg) {                              212     switch (a_msg) {
213     case WM_SIZE:{                                213     case WM_SIZE:{
214       int width = LOWORD(a_lparam);               214       int width = LOWORD(a_lparam);
215       int height = HIWORD(a_lparam);              215       int height = HIWORD(a_lparam);
216       glarea* _this = (glarea*)::GetWindowLong    216       glarea* _this = (glarea*)::GetWindowLongPtr(a_hwnd,GWLP_USERDATA);
217       if(_this) {                                 217       if(_this) {
218         _this->resize(width,height);              218         _this->resize(width,height);
219       } else {                                    219       } else {
220         // CreateWindow send a WM_SIZE but GWL    220         // CreateWindow send a WM_SIZE but GWLP_USERDATA not yet set.
221       }                                           221       }
222     }return 0;                                    222     }return 0;
223     case WM_PAINT:{                               223     case WM_PAINT:{
224       glarea* _this = (glarea*)::GetWindowLong    224       glarea* _this = (glarea*)::GetWindowLongPtr(a_hwnd,GWLP_USERDATA);
225       if(_this) _this->wm_paint();                225       if(_this) _this->wm_paint();
226     }return 0;                                    226     }return 0;
227                                                   227 
228     case WM_KEYDOWN:{                             228     case WM_KEYDOWN:{
229       glarea* _this = (glarea*)::GetWindowLong    229       glarea* _this = (glarea*)::GetWindowLongPtr(a_hwnd,GWLP_USERDATA);
230       if(_this) {                                 230       if(_this) {
231         if(_this->m_interactor) {                 231         if(_this->m_interactor) {
232           tools::sg::key_down_event event(_thi    232           tools::sg::key_down_event event(_this->convert(a_wparam));
233           _this->m_interactor->key_press(event    233           _this->m_interactor->key_press(event);
234         }                                         234         }
235       }                                           235       } 
236     } return 0;                                   236     } return 0;
237     case WM_KEYUP:{                               237     case WM_KEYUP:{
238       glarea* _this = (glarea*)::GetWindowLong    238       glarea* _this = (glarea*)::GetWindowLongPtr(a_hwnd,GWLP_USERDATA);
239       if(_this) {                                 239       if(_this) {
240         if(_this->m_interactor) {                 240         if(_this->m_interactor) {
241           tools::sg::key_up_event event(_this-    241           tools::sg::key_up_event event(_this->convert(a_wparam));
242           _this->m_interactor->key_release(eve    242           _this->m_interactor->key_release(event);
243         }                                         243         }
244       }                                           244       } 
245     } return 0;                                   245     } return 0;
246                                                   246 
247     case WM_LBUTTONDOWN:{                         247     case WM_LBUTTONDOWN:{
248       glarea* _this = (glarea*)::GetWindowLong    248       glarea* _this = (glarea*)::GetWindowLongPtr(a_hwnd,GWLP_USERDATA);
249       if(_this) {                                 249       if(_this) {
250         if(_this->m_interactor) {                 250         if(_this->m_interactor) {
251           tools::sg::mouse_down_event event(LO    251           tools::sg::mouse_down_event event(LOWORD(a_lparam),HIWORD(a_lparam));
252           _this->m_interactor->mouse_press(eve    252           _this->m_interactor->mouse_press(event);
253         } else {                                  253         } else {
254           RECT rect;                              254           RECT rect;
255           ::GetClientRect(a_hwnd,&rect);          255           ::GetClientRect(a_hwnd,&rect);
256           unsigned int h = rect.bottom-rect.to    256           unsigned int h = rect.bottom-rect.top;
257           if(!_this->is_touch_event()) _this->    257           if(!_this->is_touch_event()) _this->left_button_down(LOWORD(a_lparam),h-HIWORD(a_lparam));
258         }                                         258         }
259       }                                           259       }
260     }return 0;                                    260     }return 0;
261     case WM_LBUTTONUP:{                           261     case WM_LBUTTONUP:{
262       glarea* _this = (glarea*)::GetWindowLong    262       glarea* _this = (glarea*)::GetWindowLongPtr(a_hwnd,GWLP_USERDATA);
263       if(_this) {                                 263       if(_this) {
264         if(_this->m_interactor) {                 264         if(_this->m_interactor) {
265           tools::sg::mouse_up_event event(LOWO    265           tools::sg::mouse_up_event event(LOWORD(a_lparam),HIWORD(a_lparam));
266           _this->m_interactor->mouse_release(e    266           _this->m_interactor->mouse_release(event);
267         } else {                                  267         } else {
268           RECT rect;                              268           RECT rect;
269           ::GetClientRect(a_hwnd,&rect);          269           ::GetClientRect(a_hwnd,&rect);
270           unsigned int h = rect.bottom-rect.to    270           unsigned int h = rect.bottom-rect.top;
271     if(!_this->is_touch_event()) _this->left_b    271     if(!_this->is_touch_event()) _this->left_button_up(LOWORD(a_lparam),h-HIWORD(a_lparam));
272         }                                         272         }
273       }                                           273       }
274     } return 0;                                   274     } return 0;
275     case WM_MOUSEMOVE:{                           275     case WM_MOUSEMOVE:{
276       glarea* _this = (glarea*)::GetWindowLong    276       glarea* _this = (glarea*)::GetWindowLongPtr(a_hwnd,GWLP_USERDATA);
277       if(_this) {                                 277       if(_this) {
278         if(_this->m_interactor) {                 278         if(_this->m_interactor) {
279           tools::sg::mouse_move_event event(LO    279           tools::sg::mouse_move_event event(LOWORD(a_lparam),HIWORD(a_lparam),0,0,false);
280           _this->m_interactor->mouse_move(even    280           _this->m_interactor->mouse_move(event);
281         } else {                                  281         } else {
282           WPARAM state = a_wparam;                282           WPARAM state = a_wparam;
283           bool ldown = ((state & MK_LBUTTON)==    283           bool ldown = ((state & MK_LBUTTON)==MK_LBUTTON)?true:false; 
284           RECT rect;                              284           RECT rect;
285           ::GetClientRect(a_hwnd,&rect);          285           ::GetClientRect(a_hwnd,&rect);
286           unsigned int h = rect.bottom-rect.to    286           unsigned int h = rect.bottom-rect.top;
287           if(!_this->is_touch_event()) _this->    287           if(!_this->is_touch_event()) _this->mouse_move(LOWORD(a_lparam),h-HIWORD(a_lparam),ldown);
288         }                                         288         }
289       }                                           289       }
290                                                   290 
291     }return 0;                                    291     }return 0;
292                                                   292     
293     case WM_MOUSEWHEEL:{                          293     case WM_MOUSEWHEEL:{
294       glarea* _this = (glarea*)::GetWindowLong    294       glarea* _this = (glarea*)::GetWindowLongPtr(a_hwnd,GWLP_USERDATA);
295       if(_this) {                                 295       if(_this) {
296         if(_this->m_interactor) {                 296         if(_this->m_interactor) {
297           tools::sg::wheel_rotate_event event(    297           tools::sg::wheel_rotate_event event(GET_WHEEL_DELTA_WPARAM(a_wparam));
298     _this->m_interactor->wheel_rotate(event);     298     _this->m_interactor->wheel_rotate(event);
299         }                                         299         }   
300       }                                           300       } 
301     } return 0;                                   301     } return 0;
302                                                   302       
303 #ifdef TOOLX_WINDOWS_TOUCH                        303 #ifdef TOOLX_WINDOWS_TOUCH
304     case WM_TOUCH:{                               304     case WM_TOUCH:{
305       glarea* _this = (glarea*)::GetWindowLong    305       glarea* _this = (glarea*)::GetWindowLongPtr(a_hwnd,GWLP_USERDATA);
306       if(_this && _this->m_touch_available) {     306       if(_this && _this->m_touch_available) {
307         RECT rect;                                307         RECT rect;
308         //::GetWindowRect(hwnd,&rect); ???        308         //::GetWindowRect(hwnd,&rect); ???
309         ::GetClientRect(a_hwnd,&rect);            309         ::GetClientRect(a_hwnd,&rect);
310         unsigned int h = rect.bottom-rect.top;    310         unsigned int h = rect.bottom-rect.top;
311                                                   311 
312         unsigned int num_inputs = (int)a_wpara    312         unsigned int num_inputs = (int)a_wparam;
313         //::printf("debug : WM_TOUCH : 001 : %    313         //::printf("debug : WM_TOUCH : 001 : %d\n",num_inputs);
314         TOUCHINPUT* ti = new TOUCHINPUT[num_in    314         TOUCHINPUT* ti = new TOUCHINPUT[num_inputs];
315         POINT p;                                  315         POINT p;
316         if(::GetTouchInputInfo((HTOUCHINPUT)a_    316         if(::GetTouchInputInfo((HTOUCHINPUT)a_lparam,num_inputs,ti,sizeof(TOUCHINPUT))) {
317           for(unsigned int i=0;i<num_inputs; +    317           for(unsigned int i=0;i<num_inputs; ++i) {
318             p.x = TOUCH_COORD_TO_PIXEL(ti[i].x    318             p.x = TOUCH_COORD_TO_PIXEL(ti[i].x);
319             p.y = TOUCH_COORD_TO_PIXEL(ti[i].y    319             p.y = TOUCH_COORD_TO_PIXEL(ti[i].y);
320             if(!::ScreenToClient(a_hwnd,&p)) {    320             if(!::ScreenToClient(a_hwnd,&p)) {}
321             if(ti[i].dwFlags & TOUCHEVENTF_DOW    321             if(ti[i].dwFlags & TOUCHEVENTF_DOWN) {
322               //::printf("debug : TOUCHEVENTF_    322               //::printf("debug : TOUCHEVENTF_DOWN %lu %lu\n",p.x,p.y);
323               _this->left_button_down(p.x,h-p.    323               _this->left_button_down(p.x,h-p.y);
324             } else if (ti[i].dwFlags & TOUCHEV    324             } else if (ti[i].dwFlags & TOUCHEVENTF_UP) {
325               //::printf("debug : TOUCHEVENTF_    325               //::printf("debug : TOUCHEVENTF_UP %lu %lu\n",p.x,p.y);
326               _this->left_button_up(p.x,h-p.y)    326               _this->left_button_up(p.x,h-p.y);
327             } else if (ti[i].dwFlags & TOUCHEV    327             } else if (ti[i].dwFlags & TOUCHEVENTF_MOVE) {
328               bool ldown = true; //we assume t    328               bool ldown = true; //we assume that a TOUCHEVENT_DOWN had been done.
329               //::printf("debug : TOUCHEVENTF_    329               //::printf("debug : TOUCHEVENTF_MOVE %lu %lu\n",p.x,p.y);
330               _this->mouse_move(p.x,h-p.y,ldow    330               _this->mouse_move(p.x,h-p.y,ldown);
331             }                                     331             }
332           }                                       332           }
333         }                                         333         }
334         ::CloseTouchInputHandle((HTOUCHINPUT)a    334         ::CloseTouchInputHandle((HTOUCHINPUT)a_lparam);
335         delete [] ti;                             335         delete [] ti;
336       }                                           336       }
337     }return 0;                                    337     }return 0;
338 #endif //TOOLX_WINDOWS_TOUCH                      338 #endif //TOOLX_WINDOWS_TOUCH
339     case WM_DESTROY:wm__destroy(a_hwnd);return    339     case WM_DESTROY:wm__destroy(a_hwnd);return 0;
340     }                                             340     }
341     return (DefWindowProc(a_hwnd,a_msg,a_wpara    341     return (DefWindowProc(a_hwnd,a_msg,a_wparam,a_lparam));
342   }                                               342   }
343   static bool SetWindowPixelFormat(HDC a_HDC){    343   static bool SetWindowPixelFormat(HDC a_HDC){
344     PIXELFORMATDESCRIPTOR pfd;                    344     PIXELFORMATDESCRIPTOR pfd;
345     pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);    345     pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
346     pfd.nVersion = 1;                             346     pfd.nVersion = 1;
347     pfd.dwFlags =                                 347     pfd.dwFlags =
348       PFD_DRAW_TO_WINDOW |                        348       PFD_DRAW_TO_WINDOW |
349       PFD_SUPPORT_OPENGL |                        349       PFD_SUPPORT_OPENGL |
350       PFD_DOUBLEBUFFER |                          350       PFD_DOUBLEBUFFER |
351       PFD_STEREO_DONTCARE;                        351       PFD_STEREO_DONTCARE;
352     pfd.iPixelType = PFD_TYPE_RGBA;               352     pfd.iPixelType = PFD_TYPE_RGBA;
353     pfd.cColorBits = 32;                          353     pfd.cColorBits = 32;
354     pfd.cRedBits = 8;                             354     pfd.cRedBits = 8;
355     pfd.cRedShift = 16;                           355     pfd.cRedShift = 16;
356     pfd.cGreenBits = 8;                           356     pfd.cGreenBits = 8;
357     pfd.cGreenShift = 8;                          357     pfd.cGreenShift = 8;
358     pfd.cBlueBits = 8;                            358     pfd.cBlueBits = 8;
359     pfd.cBlueShift = 0;                           359     pfd.cBlueShift = 0;
360     pfd.cAlphaBits = 0;                           360     pfd.cAlphaBits = 0;
361     pfd.cAlphaShift = 0;                          361     pfd.cAlphaShift = 0;
362     pfd.cAccumBits = 64;                          362     pfd.cAccumBits = 64;
363     pfd.cAccumRedBits = 16;                       363     pfd.cAccumRedBits = 16;
364     pfd.cAccumGreenBits = 16;                     364     pfd.cAccumGreenBits = 16;
365     pfd.cAccumBlueBits = 16;                      365     pfd.cAccumBlueBits = 16;
366     pfd.cAccumAlphaBits = 0;                      366     pfd.cAccumAlphaBits = 0;
367     pfd.cDepthBits = 32;                          367     pfd.cDepthBits = 32;
368     pfd.cStencilBits = 8;                         368     pfd.cStencilBits = 8;
369     pfd.cAuxBuffers = 0;                          369     pfd.cAuxBuffers = 0;
370     pfd.iLayerType = PFD_MAIN_PLANE;              370     pfd.iLayerType = PFD_MAIN_PLANE;
371     pfd.bReserved = 0;                            371     pfd.bReserved = 0;
372     pfd.dwLayerMask = 0;                          372     pfd.dwLayerMask = 0;
373     pfd.dwVisibleMask = 0;                        373     pfd.dwVisibleMask = 0;
374     pfd.dwDamageMask = 0;                         374     pfd.dwDamageMask = 0;
375                                                   375 
376     int pixelIndex = ::ChoosePixelFormat(a_HDC    376     int pixelIndex = ::ChoosePixelFormat(a_HDC,&pfd);
377     if (pixelIndex==0) {                          377     if (pixelIndex==0) {
378       // Let's choose a default index.            378       // Let's choose a default index.
379       pixelIndex = 1;                             379       pixelIndex = 1;
380       if (::DescribePixelFormat(a_HDC,            380       if (::DescribePixelFormat(a_HDC,
381                                 pixelIndex,       381                                 pixelIndex,
382                                 sizeof(PIXELFO    382                                 sizeof(PIXELFORMATDESCRIPTOR),
383                                 &pfd)==0) {       383                                 &pfd)==0) {
384         return false;                             384         return false;
385       }                                           385       }
386     }                                             386     }
387                                                   387 
388     if (::SetPixelFormat(a_HDC,pixelIndex,&pfd    388     if (::SetPixelFormat(a_HDC,pixelIndex,&pfd)==FALSE) return false;
389                                                   389 
390     return true;                                  390     return true;
391   }                                               391   }
392   static void wm__destroy(HWND a_hwnd) {          392   static void wm__destroy(HWND a_hwnd) {
393     glarea* _this = (glarea*)::GetWindowLongPt    393     glarea* _this = (glarea*)::GetWindowLongPtr(a_hwnd,GWLP_USERDATA);
394     if(_this) { //How to be sure that we have     394     if(_this) { //How to be sure that we have a glarea* ???
395       _this->close();                             395       _this->close();
396       if(_this->m_hwnd!=a_hwnd) {                 396       if(_this->m_hwnd!=a_hwnd) {
397         //::printf("WinTk::Component::wm_destr    397         //::printf("WinTk::Component::wm_destroy : HWND mismatch !\n");
398       }                                           398       }
399       _this->m_hwnd = 0;                          399       _this->m_hwnd = 0;
400     }                                             400     }
401     ::SetWindowLongPtr(a_hwnd,GWLP_USERDATA,LO    401     ::SetWindowLongPtr(a_hwnd,GWLP_USERDATA,LONG_PTR(NULL));
402   }                                               402   }
403 protected:                                        403 protected:
404   tools::key_code convert(WPARAM a_key) {         404   tools::key_code convert(WPARAM a_key) {
405     if(a_key==VK_SHIFT) return tools::sg::key_    405     if(a_key==VK_SHIFT) return tools::sg::key_shift();
406     return (tools::key_code)a_key;                406     return (tools::key_code)a_key;
407   }                                               407   }
408 protected:                                        408 protected:
409   HWND m_parent;                                  409   HWND m_parent;
410   HWND m_hwnd;                                    410   HWND m_hwnd;
411   HGLRC m_context;                                411   HGLRC m_context;
412   HDC m_HDC;                                      412   HDC m_HDC;
413   bool m_touch_available;                         413   bool m_touch_available;
414   tools::sg::device_interactor* m_interactor;     414   tools::sg::device_interactor* m_interactor;
415 };                                                415 };
416                                                   416 
417 }}                                                417 }}
418                                                   418 
419 #endif                                            419 #endif